kernel_irq_context: add (struct irqaction)->handler as an ignored fun…

…ction

We already track the IRQ handler so this information is not useful and
it's possibly wrong for our needs.  (We want to ignore threaded IRQs).

Signed-off-by: Dan Carpenter <[email protected]>

smatch_kernel_irq_context.c

@@ -126,6 +126,7 @@ static bool is_ignored_fn(struct expression *expr)
 	    strcmp(fn, "call_mmap") == 0 ||
 	    strcmp(fn, "(struct comedi_subdevice)->cancel") == 0 ||
 	    strcmp(fn, "(struct flexcop_device)->read_ibi_reg") == 0 ||
+	    strcmp(fn, "(struct irqaction)->handler") == 0 ||  /* called from __handle_irq_event_percpu() */
 	    strcmp(fn, "(struct spi_message)->complete") == 0 ||
 	    strcmp(fn, "(struct usb_gadget_driver)->setup") == 0 ||
 	    strcmp(fn, "(struct v4l2_subdev_core_ops)->interrupt_service_routine") == 0 ||